May weather forecast
Jamestown, TN

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Weather in May

The last month of the spring, May, is a warm month in Jamestown, Tennessee, with an average temperature fluctuating between 55.4°F (13°C) and 75.4°F (24.1°C).

Temperature

The onset of May brings a temperature shift, with the average high-temperature moving from an enjoyable 66.2°F (19°C) in April to a warm 75.4°F (24.1°C). During the month of May, Jamestown anticipates a mean low-temperature of 55.4°F (13°C).

Humidity

The average relative humidity in May is 79%.

Rainfall

In Jamestown, in May, it is raining for 17.8 days, with typically 3.19" (81mm) of accumulated precipitation. In Jamestown, during the entire year, the rain falls for 170.9 days and collects up to 37.68" (957mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In Jamestown, the average length of the day in May is 14h and 7min.
On the first day of May, sunrise is at 5:45 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 5:23 am and sunset at 7:51 pm CDT.

Sunshine

The average sunshine in May is 9.3h.

UV index

The months with the highest UV index in Jamestown are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 6 in May transforms into the following instructions:
Prevent overexposure. Protection from the sun's harmful effects is needed. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
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Frequently asked questions

What are May temperatures in Jamestown?

In May, the average high-temperature and low-temperature in Jamestown are 75.4°F (24.1°C) and 55.4°F (13°C) respectively.

What is the average humidity in May in Jamestown?

In May, the average relative humidity is 79%.

How many days does it rain in May in Jamestown?

In Jamestown, in May, during 17.8 rainfall days, 3.19" (81mm) of precipitation is typically accumulated.

When it does not snow in Jamestown?

May through September are months without snowfall.

Does it snow in Jamestown in May?

In May, in Jamestown, Tennessee, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Jamestown have in May?

In May, the average day length in Jamestown, Tennessee, is 14h and 7min.

What time are sunrise and sunset in May in Jamestown?

On the first day of May, sunrise is at 5:45 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 5:23 am and sunset at 7:51 pm CDT.

How long on average sun shines in May in Jamestown?

The average sunshine duration in May is 9.3h.

When is the highest UV index in Jamestown?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

What is the UV index reading in May in Jamestown?

In May, the average daily maximum UV index in Jamestown is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Jamestown, TN

Average temperature in May - Jamestown, TN
  • Average high temperature in May: 75.4°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (41.7°F).

  • Average low temperature in May: 55.4°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

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Average pressure in May
Jamestown, TN

Average pressure in May - Jamestown, TN
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

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Average wind speed in May
Jamestown, TN

Average wind speed in May - Jamestown, TN
  • Average wind speed in May: 5.6mph

The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4mph).

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Average humidity in May
Jamestown, TN

Average humidity in May - Jamestown, TN
  • Average humidity in May: 79%

The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are April, June, August, October and November (77%).

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Average rainfall in May
Jamestown, TN

Average rainfall in May - Jamestown, TN
  • Average rainfall in May: 3.19"

The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is September (2.32").

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Average rainfall days in May
Jamestown, TN

Average rainfall days in May - Jamestown, TN
  • Average rainfall days in May: 17.8 days

The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is November (10.4 days).

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Average snowfall in May
Jamestown, TN

Average snowfall in May - Jamestown, TN
  • Average snowfall in May: 0"

The month with the highest snowfall is February (3.94").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Jamestown, TN

Average snowfall days in May - Jamestown, TN
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Jamestown, TN

Average daylight in May / Average sunshine in May - Jamestown, TN
  • Average daylight in May: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in May: 9h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

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Average sunshine days in May
Jamestown, TN

Average sunshine days in May - Jamestown, TN
  • Average sunshine days in May: 11.3 days

The month with the most sunshine days is October (18 days).
The month with the least sunshine days is July (10.5 days).

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Average UV index in May
Jamestown, TN

Average UV index in May - Jamestown, TN
  • Average UV index in May: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

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Average cloud cover in May
Jamestown, TN

Average cloud cover in May - Jamestown, TN
  • Average cloud cover in May: 40

The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is June (Cloud cover 32).

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Average visibility in May
Jamestown, TN

Average visibility in May - Jamestown, TN
  • Average visibility in May: 5mi

The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).

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Jamestown, Tennessee, USA

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